Steam Boilers, Engines, Nozzles and Turbines The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is Same More Less Could be more or less depending on other factors Same More Less Could be more or less depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Essential Desirable Economical Uneconomical Essential Desirable Economical Uneconomical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Reversible process Non-heat transfer process Constant temperature process Essentially an isentropic process Reversible process Non-heat transfer process Constant temperature process Essentially an isentropic process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler is of the order of 24 m 79 m 57.5 m 35 m 24 m 79 m 57.5 m 35 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Completely balance against end thrust Maintain the speed of the turbine Reduce the effective heat drop Reheat the steam and improve its quality Completely balance against end thrust Maintain the speed of the turbine Reduce the effective heat drop Reheat the steam and improve its quality ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS